instrument
/ɪnˈstrʊmənt/Definitions
1. noun
a tool or device used to perform a particular task or function, especially a musical one
“The doctor used a stethoscope as an instrument to listen to the patient’s heartbeat.”
2. noun
a device or a means used to achieve a particular goal or effect
“The government used tax reform as an instrument to reduce poverty.”
3. noun
a person or thing that is used to achieve a particular effect or goal
“The artist was a vital instrument in the band’s performance.”
4. verb
to use an instrument or device to perform a particular task or function
“The engineer learned to instrument the machine to improve its efficiency.”
5. verb
to measure or record a physical quantity, especially in a scientific or technical context
“The engineer learned to instrument the machine’s performance to optimize its efficiency.”
6. verb
to decorate or furnish with instruments, especially musical ones
“The museum instrumented the gallery with historic musical instruments.”
7. noun
a means or agency through which a government exercises its power or authority
“The president used the military as an instrument of foreign policy.”